Silver and Yellow Bronze are considered “live metals” and can therefore lose their natural brightness; they may oxidize or stain due to many factors such as humidity, contact with the skin, exposure to chlorine or sea salt and fragrances.
We therefore recommend keeping the jewels away from these sources and keeping them separated with a piece of tissue paper in order to avoid scratching.

The Gold-Plated Bronze, especially if we are talking about rings, could, despite the plating, react with your skin and stain you with green. This depends on the basis of the PH acidity of your skin that could quickly dissolve the thin golden veil deposited over the jewel. We advise you to remove the jewel when you come into contact with water or in moments of high sweating

since they are the moments in which this reaction most easily occurs.

PLEASE NOTE: The green spot is a natural bronze reaction and is in no way harmful.



Specific cleaning products a should be used for silver, which are available in two forms: one for scrubbing and the other for dipping.

Yellow bronze:

Use products specifically formulated for Yellow Bronze or Brass.

18k Gold Plated Yellow Bronze:

Used a cotton pad soaked with a 90% alcohol-based cleaning product.

manuba srls - P.IVA ​13813261008 - via Guido d’Arezzo n. 5, ROMA, 00198 -

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